The role of urban green infrastructure in mitigating land surface temperature in Bobo-Dioulasso, Burkina Faso

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• 作者：Néstor Di Leo ; Francisco J. Escobedo…
• 关键词：Urban agriculture ; Urban forestry ; Urban ecosystem services ; Urban climate change policies ; Urban heat island ; Africa
• 刊名：Environment, Development and Sustainability
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：18
• 期：2
• 页码：373-392
• 全文大小：7,659 KB
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• 作者单位：Néstor Di Leo (1)
  Francisco J. Escobedo (2)
  Marielle Dubbeling (3)
  
  1. Center for Territorial Studies, Faculty of Agricultural Sciences, National University of Rosario, Parque Villarino, C. C. 14, S2125ZAA, Zavalla, Santa Fe, Argentina
  2. School of Forest Resources and Conservation, University of Florida-IFAS, 361 Newins-Ziegler Hall, PO Box 110410, Gainesville, FL, 32611, USA
  3. RUAF Foundation-International Network of Resource Centres on Urban Agriculture and Food Security, Kastanjelaan 5, 3833 AN, Leusden, The Netherlands
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environmental Management
  Economic Growth
  Ecology
  Economic Geology
  Environmental Economics
  
• 出版者：Springer Netherlands
• ISSN：1573-2975

文摘

Green infrastructure in developed countries has been used as a climate change adaptation strategy to lower increased temperatures in cities. But, the use of green infrastructure to provide ecosystem services and increase resilience is largely overlooked in climate change and urban policies in the developing world. This study analyzed the role of urbanization and green infrastructure on urban surface temperatures in Bobo-Dioulasso, Burkina Faso, in sub-Saharan Africa. We use available geospatial data and techniques to spatially and temporally explore urbanization and land surface temperatures (LSTs) over 20 years. The effect of specific green infrastructure areas in the city on LSTs was also analyzed. Results show increased urbanization rates and increased temperature trends across time and space. But, LST in green infrastructure areas was indeed lower than adjacent impervious, urbanized areas. Seasonal phenological differences due to rainfall patterns, available planting space, and site limitations should be accounted for to maximize temperature reduction benefits. We discuss an approach on how study findings and urban and peri-urban agriculture and forestry are being used for policy uptake and formulation in the field of climate change, food security, and urbanization by the municipal government in this city in Burkina Faso.